Lewis and Clark National Historic Trail
National park in Illinois
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The Lewis and Clark National Historic Trail is a route across the United States commemorating the Lewis and Clark Expedition of 1804 to 1806. It is part of the National Trails System of the United States. It extends for some 4,900 miles from... Wikipedia
Established: November 10, 1978
Length: approximately 4,900 miles
Coordinates: 41°0′0″N 96°0′0″W / 41.00000°N 96.00000°W